Merge branch 'lukeshu/fix-dump-trees'

1 files changed, 43 insertions, 0 deletions

diff --git a/lib/btrfs/btrfsitem/item_qgroupstatus.go b/lib/btrfs/btrfsitem/item_qgroupstatus.go
new file mode 100644
index 0000000..e7bd62c
--- /dev/null
+++ b/lib/btrfs/btrfsitem/item_qgroupstatus.go
@@ -0,0 +1,43 @@
+// Copyright (C) 2023  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package btrfsitem
+
+import (
+	"git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
+	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim"
+	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsvol"
+	"git.lukeshu.com/btrfs-progs-ng/lib/fmtutil"
+)
+
+type QGroupStatusFlags uint64
+
+const (
+	QGroupStatusFlagOn QGroupStatusFlags = 1 << iota
+	QGroupStatusFlagRescan
+	QGroupStatusFlagInconsistent
+)
+
+var qgroupStatusFlagNames = []string{
+	"ON",
+	"RESCAN",
+	"INCONSISTENT",
+}
+
+func (f QGroupStatusFlags) Has(req QGroupStatusFlags) bool { return f&req == req }
+func (f QGroupStatusFlags) String() string {
+	return fmtutil.BitfieldString(f, qgroupStatusFlagNames, fmtutil.HexNone)
+}
+
+const QGroupStatusVersion uint64 = 1
+
+// key.objectid = 0
+// key.offset = 0
+type QGroupStatus struct { // QGROUP_STATUS=240
+	Version        uint64               `bin:"off=0, siz=8"`
+	Generation     btrfsprim.Generation `bin:"off=8, siz=8"`
+	Flags          QGroupStatusFlags    `bin:"off=16, siz=8"`
+	RescanProgress btrfsvol.LogicalAddr `bin:"off=24, siz=8"`
+	binstruct.End  `bin:"off=32"`
+}